Image is very dark. I guess you are asking the value of x. If so:
The mentioned angle is aright angle that is divided into 2 smaller angles, one of 69° and the other of (2x°-1). Hence
69° + 2x°- 1° = 90°
2x° = 90° + 1° - 69°
2x° = 22°
And x = 11°
If x = 11,then 2x - 1 = 21° (missing angle)
